From 7839c5d5519b6d9e2ccf3cdbf1c39e3817ad0835 Mon Sep 17 00:00:00 2001 From: Fabian Henze Date: Tue, 8 Sep 2009 00:59:59 +0800 Subject: drm/i915: add B43 chipset support Signed-off-by: Fabian Henze Signed-off-by: Zhenyu Wang Signed-off-by: Eric Anholt --- include/drm/drm_pciids.h | 1 + 1 file changed, 1 insertion(+) (limited to 'include') diff --git a/include/drm/drm_pciids.h b/include/drm/drm_pciids.h index 853508499d20..3f6e545609be 100644 --- a/include/drm/drm_pciids.h +++ b/include/drm/drm_pciids.h @@ -552,6 +552,7 @@ {0x8086, 0x2e12, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_DISPLAY_VGA << 8, 0xffff00, 0}, \ {0x8086, 0x2e22, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_DISPLAY_VGA << 8, 0xffff00, 0}, \ {0x8086, 0x2e32, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_DISPLAY_VGA << 8, 0xffff00, 0}, \ + {0x8086, 0x2e42, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_DISPLAY_VGA << 8, 0xffff00, 0}, \ {0x8086, 0xa001, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_DISPLAY_VGA << 8, 0xffff00, 0}, \ {0x8086, 0xa011, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_DISPLAY_VGA << 8, 0xffff00, 0}, \ {0x8086, 0x35e8, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_DISPLAY_VGA << 8, 0xffff00, 0}, \ -- cgit v1.2.3 From 7e12715ecc47a8a59154afe2746e48998225bb69 Mon Sep 17 00:00:00 2001 From: Jesse Barnes Date: Thu, 10 Sep 2009 15:28:02 -0700 Subject: ACPI button: provide lid status functions Some drivers need to know when a lid event occurs and get the current status. This can be useful for when a platform firmware clobbers some hardware state at lid time, and a driver needs to restore things when the lid is opened again. Acked-by: Matthew Garrett Signed-off-by: Jesse Barnes Signed-off-by: Eric Anholt --- drivers/acpi/button.c | 45 +++++++++++++++++++++++++++++++++++++++++++-- include/acpi/button.h | 10 ++++++++++ 2 files changed, 53 insertions(+), 2 deletions(-) create mode 100644 include/acpi/button.h (limited to 'include') diff --git a/drivers/acpi/button.c b/drivers/acpi/button.c index 9195deba9d94..ebb593e9c380 100644 --- a/drivers/acpi/button.c +++ b/drivers/acpi/button.c @@ -113,6 +113,9 @@ static const struct file_operations acpi_button_state_fops = { .release = single_release, }; +static BLOCKING_NOTIFIER_HEAD(acpi_lid_notifier); +static struct acpi_device *lid_device; + /* -------------------------------------------------------------------------- FS Interface (/proc) -------------------------------------------------------------------------- */ @@ -229,11 +232,38 @@ static int acpi_button_remove_fs(struct acpi_device *device) /* -------------------------------------------------------------------------- Driver Interface -------------------------------------------------------------------------- */ +int acpi_lid_notifier_register(struct notifier_block *nb) +{ + return blocking_notifier_chain_register(&acpi_lid_notifier, nb); +} +EXPORT_SYMBOL(acpi_lid_notifier_register); + +int acpi_lid_notifier_unregister(struct notifier_block *nb) +{ + return blocking_notifier_chain_unregister(&acpi_lid_notifier, nb); +} +EXPORT_SYMBOL(acpi_lid_notifier_unregister); + +int acpi_lid_open(void) +{ + acpi_status status; + unsigned long long state; + + status = acpi_evaluate_integer(lid_device->handle, "_LID", NULL, + &state); + if (ACPI_FAILURE(status)) + return -ENODEV; + + return !!state; +} +EXPORT_SYMBOL(acpi_lid_open); + static int acpi_lid_send_state(struct acpi_device *device) { struct acpi_button *button = acpi_driver_data(device); unsigned long long state; acpi_status status; + int ret; status = acpi_evaluate_integer(device->handle, "_LID", NULL, &state); if (ACPI_FAILURE(status)) @@ -242,7 +272,12 @@ static int acpi_lid_send_state(struct acpi_device *device) /* input layer checks if event is redundant */ input_report_switch(button->input, SW_LID, !state); input_sync(button->input); - return 0; + + ret = blocking_notifier_call_chain(&acpi_lid_notifier, state, device); + if (ret == NOTIFY_DONE) + ret = blocking_notifier_call_chain(&acpi_lid_notifier, state, + device); + return ret; } static void acpi_button_notify(struct acpi_device *device, u32 event) @@ -364,8 +399,14 @@ static int acpi_button_add(struct acpi_device *device) error = input_register_device(input); if (error) goto err_remove_fs; - if (button->type == ACPI_BUTTON_TYPE_LID) + if (button->type == ACPI_BUTTON_TYPE_LID) { acpi_lid_send_state(device); + /* + * This assumes there's only one lid device, or if there are + * more we only care about the last one... + */ + lid_device = device; + } if (device->wakeup.flags.valid) { /* Button's GPE is run-wake GPE */ diff --git a/include/acpi/button.h b/include/acpi/button.h new file mode 100644 index 000000000000..bb643a79d651 --- /dev/null +++ b/include/acpi/button.h @@ -0,0 +1,10 @@ +#ifndef ACPI_BUTTON_H +#define ACPI_BUTTON_H + +#include + +extern int acpi_lid_notifier_register(struct notifier_block *nb); +extern int acpi_lid_notifier_unregister(struct notifier_block *nb); +extern int acpi_lid_open(void); + +#endif /* ACPI_BUTTON_H */ -- cgit v1.2.3 From 3ef94daae7530b4ebcd2e5f48f1028cd2d2470ba Mon Sep 17 00:00:00 2001 From: Chris Wilson Date: Mon, 14 Sep 2009 16:50:29 +0100 Subject: drm/i915: Add ioctl to set 'purgeability' of objects Similar to the madvise() concept, the application may wish to mark some data as volatile. That is in the event of memory pressure the kernel is free to discard such buffers safe in the knowledge that the application can recreate them on demand, and is simply using these as a cache. Signed-off-by: Chris Wilson Signed-off-by: Jesse Barnes --- drivers/gpu/drm/i915/i915_dma.c | 1 + drivers/gpu/drm/i915/i915_drv.h | 7 ++++ drivers/gpu/drm/i915/i915_gem.c | 81 +++++++++++++++++++++++++++++++++++++---- include/drm/i915_drm.h | 18 +++++++++ 4 files changed, 99 insertions(+), 8 deletions(-) (limited to 'include') diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c index f47adb4aa59a..250999cdf814 100644 --- a/drivers/gpu/drm/i915/i915_dma.c +++ b/drivers/gpu/drm/i915/i915_dma.c @@ -1616,6 +1616,7 @@ struct drm_ioctl_desc i915_ioctls[] = { DRM_IOCTL_DEF(DRM_I915_GEM_GET_TILING, i915_gem_get_tiling, 0), DRM_IOCTL_DEF(DRM_I915_GEM_GET_APERTURE, i915_gem_get_aperture_ioctl, 0), DRM_IOCTL_DEF(DRM_I915_GET_PIPE_FROM_CRTC_ID, intel_get_pipe_from_crtc_id, 0), + DRM_IOCTL_DEF(DRM_I915_GEM_MADVISE, i915_gem_madvise_ioctl, 0), }; int i915_max_ioctl = DRM_ARRAY_SIZE(i915_ioctls); diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index bbcf5fc72666..2f89c2136be9 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -566,6 +566,11 @@ struct drm_i915_gem_object { * in an execbuffer object list. */ int in_execbuffer; + + /** + * Advice: are the backing pages purgeable? + */ + int madv; }; /** @@ -705,6 +710,8 @@ int i915_gem_busy_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv); int i915_gem_throttle_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv); +int i915_gem_madvise_ioctl(struct drm_device *dev, void *data, + struct drm_file *file_priv); int i915_gem_entervt_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv); int i915_gem_leavevt_ioctl(struct drm_device *dev, void *data, diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index 2fff2e0a976e..2ab30f251943 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -1436,13 +1436,21 @@ i915_gem_object_put_pages(struct drm_gem_object *obj) if (obj_priv->tiling_mode != I915_TILING_NONE) i915_gem_object_save_bit_17_swizzle(obj); - for (i = 0; i < page_count; i++) - if (obj_priv->pages[i] != NULL) { - if (obj_priv->dirty) - set_page_dirty(obj_priv->pages[i]); - mark_page_accessed(obj_priv->pages[i]); - page_cache_release(obj_priv->pages[i]); - } + if (obj_priv->madv == I915_MADV_DONTNEED) + obj_priv->dirty = 0; + + for (i = 0; i < page_count; i++) { + if (obj_priv->pages[i] == NULL) + break; + + if (obj_priv->dirty) + set_page_dirty(obj_priv->pages[i]); + + if (obj_priv->madv == I915_MADV_WILLNEED) + mark_page_accessed(obj_priv->pages[i]); + + page_cache_release(obj_priv->pages[i]); + } obj_priv->dirty = 0; drm_free_large(obj_priv->pages); @@ -2412,6 +2420,12 @@ i915_gem_object_bind_to_gtt(struct drm_gem_object *obj, unsigned alignment) if (dev_priv->mm.suspended) return -EBUSY; + + if (obj_priv->madv == I915_MADV_DONTNEED) { + DRM_ERROR("Attempting to bind a purgeable object\n"); + return -EINVAL; + } + if (alignment == 0) alignment = i915_gem_get_gtt_alignment(obj); if (alignment & (i915_gem_get_gtt_alignment(obj) - 1)) { @@ -3679,6 +3693,13 @@ i915_gem_pin_ioctl(struct drm_device *dev, void *data, } obj_priv = obj->driver_private; + if (obj_priv->madv == I915_MADV_DONTNEED) { + DRM_ERROR("Attempting to pin a I915_MADV_DONTNEED buffer\n"); + drm_gem_object_unreference(obj); + mutex_unlock(&dev->struct_mutex); + return -EINVAL; + } + if (obj_priv->pin_filp != NULL && obj_priv->pin_filp != file_priv) { DRM_ERROR("Already pinned in i915_gem_pin_ioctl(): %d\n", args->handle); @@ -3791,6 +3812,49 @@ i915_gem_throttle_ioctl(struct drm_device *dev, void *data, return i915_gem_ring_throttle(dev, file_priv); } +int +i915_gem_madvise_ioctl(struct drm_device *dev, void *data, + struct drm_file *file_priv) +{ + struct drm_i915_gem_madvise *args = data; + struct drm_gem_object *obj; + struct drm_i915_gem_object *obj_priv; + + switch (args->madv) { + case I915_MADV_DONTNEED: + case I915_MADV_WILLNEED: + break; + default: + return -EINVAL; + } + + obj = drm_gem_object_lookup(dev, file_priv, args->handle); + if (obj == NULL) { + DRM_ERROR("Bad handle in i915_gem_madvise_ioctl(): %d\n", + args->handle); + return -EBADF; + } + + mutex_lock(&dev->struct_mutex); + obj_priv = obj->driver_private; + + if (obj_priv->pin_count) { + drm_gem_object_unreference(obj); + mutex_unlock(&dev->struct_mutex); + + DRM_ERROR("Attempted i915_gem_madvise_ioctl() on a pinned object\n"); + return -EINVAL; + } + + obj_priv->madv = args->madv; + args->retained = obj_priv->gtt_space != NULL; + + drm_gem_object_unreference(obj); + mutex_unlock(&dev->struct_mutex); + + return 0; +} + int i915_gem_init_object(struct drm_gem_object *obj) { struct drm_i915_gem_object *obj_priv; @@ -3815,6 +3879,7 @@ int i915_gem_init_object(struct drm_gem_object *obj) obj_priv->fence_reg = I915_FENCE_REG_NONE; INIT_LIST_HEAD(&obj_priv->list); INIT_LIST_HEAD(&obj_priv->fence_list); + obj_priv->madv = I915_MADV_WILLNEED; return 0; } @@ -4506,7 +4571,7 @@ i915_gem_object_truncate(struct drm_gem_object *obj) static inline int i915_gem_object_is_purgeable(struct drm_i915_gem_object *obj_priv) { - return !obj_priv->dirty; + return !obj_priv->dirty || obj_priv->madv == I915_MADV_DONTNEED; } static int diff --git a/include/drm/i915_drm.h b/include/drm/i915_drm.h index 8e1e92583fbc..607c9da061e8 100644 --- a/include/drm/i915_drm.h +++ b/include/drm/i915_drm.h @@ -185,6 +185,7 @@ typedef struct _drm_i915_sarea { #define DRM_I915_GEM_GET_APERTURE 0x23 #define DRM_I915_GEM_MMAP_GTT 0x24 #define DRM_I915_GET_PIPE_FROM_CRTC_ID 0x25 +#define DRM_I915_GEM_MADVISE 0x26 #define DRM_IOCTL_I915_INIT DRM_IOW( DRM_COMMAND_BASE + DRM_I915_INIT, drm_i915_init_t) #define DRM_IOCTL_I915_FLUSH DRM_IO ( DRM_COMMAND_BASE + DRM_I915_FLUSH) @@ -221,6 +222,7 @@ typedef struct _drm_i915_sarea { #define DRM_IOCTL_I915_GEM_GET_TILING DRM_IOWR (DRM_COMMAND_BASE + DRM_I915_GEM_GET_TILING, struct drm_i915_gem_get_tiling) #define DRM_IOCTL_I915_GEM_GET_APERTURE DRM_IOR (DRM_COMMAND_BASE + DRM_I915_GEM_GET_APERTURE, struct drm_i915_gem_get_aperture) #define DRM_IOCTL_I915_GET_PIPE_FROM_CRTC_ID DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_GET_PIPE_FROM_CRTC_ID, struct drm_intel_get_pipe_from_crtc_id) +#define DRM_IOCTL_I915_GEM_MADVISE DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_GEM_MADVISE, struct drm_i915_gem_madvise) /* Allow drivers to submit batchbuffers directly to hardware, relying * on the security mechanisms provided by hardware. @@ -667,4 +669,20 @@ struct drm_i915_get_pipe_from_crtc_id { __u32 pipe; }; +#define I915_MADV_WILLNEED 0 +#define I915_MADV_DONTNEED 1 + +struct drm_i915_gem_madvise { + /** Handle of the buffer to change the backing store advice */ + __u32 handle; + + /* Advice: either the buffer will be needed again in the near future, + * or wont be and could be discarded under memory pressure. + */ + __u32 madv; + + /** Whether the backing store still exists. */ + __u32 retained; +}; + #endif /* _I915_DRM_H_ */ -- cgit v1.2.3 From 1a133e0c9dabda23e6693cabfdc1d5106dca5fc2 Mon Sep 17 00:00:00 2001 From: Jesse Barnes Date: Tue, 15 Sep 2009 16:57:24 -0700 Subject: ACPI: make ACPI button funcs no-ops if not built in Yakui pointed out that we don't properly no-op the ACPI button routines if the button driver isn't built in. This will cause problems if ACPI is disabled, so provide stub functions in that case. Reported-by: ykzhao Signed-off-by: Jesse Barnes --- include/acpi/button.h | 15 +++++++++++++++ 1 file changed, 15 insertions(+) (limited to 'include') diff --git a/include/acpi/button.h b/include/acpi/button.h index bb643a79d651..97eea0e4c016 100644 --- a/include/acpi/button.h +++ b/include/acpi/button.h @@ -3,8 +3,23 @@ #include +#if defined(CONFIG_ACPI_BUTTON) || defined(CONFIG_ACPI_BUTTON_MODULE) extern int acpi_lid_notifier_register(struct notifier_block *nb); extern int acpi_lid_notifier_unregister(struct notifier_block *nb); extern int acpi_lid_open(void); +#else +static inline int acpi_lid_notifier_register(struct notifier_block *nb) +{ + return 0; +} +static inline int acpi_lid_notifier_unregister(struct notifier_block *nb) +{ + return 0; +} +static inline int acpi_lid_open(void) +{ + return 1; +} +#endif /* defined(CONFIG_ACPI_BUTTON) || defined(CONFIG_ACPI_BUTTON_MODULE) */ #endif /* ACPI_BUTTON_H */ -- cgit v1.2.3 From bb6baf76f45708dbba651ed76a7ad94462f30c0b Mon Sep 17 00:00:00 2001 From: Chris Wilson Date: Tue, 22 Sep 2009 14:24:13 +0100 Subject: drm/i915: Track purged state. In order to correctly prevent the invalid reuse of a purged buffer, we need to track such events and warn the user before something bad happens. Signed-off-by: Chris Wilson --- drivers/gpu/drm/i915/i915_gem.c | 24 +++++++++++++++--------- include/drm/i915_drm.h | 1 + 2 files changed, 16 insertions(+), 9 deletions(-) (limited to 'include') diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index 8beec97fa348..f4f714e39b7b 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -1470,6 +1470,7 @@ i915_gem_object_put_pages(struct drm_gem_object *obj) int i; BUG_ON(obj_priv->pages_refcount == 0); + BUG_ON(obj_priv->madv == __I915_MADV_PURGED); if (--obj_priv->pages_refcount != 0) return; @@ -1534,11 +1535,14 @@ i915_gem_object_move_to_flushing(struct drm_gem_object *obj) static void i915_gem_object_truncate(struct drm_gem_object *obj) { - struct inode *inode; + struct drm_i915_gem_object *obj_priv = obj->driver_private; + struct inode *inode; - inode = obj->filp->f_path.dentry->d_inode; - if (inode->i_op->truncate) - inode->i_op->truncate (inode); + inode = obj->filp->f_path.dentry->d_inode; + if (inode->i_op->truncate) + inode->i_op->truncate (inode); + + obj_priv->madv = __I915_MADV_PURGED; } static inline int @@ -2559,7 +2563,7 @@ i915_gem_object_bind_to_gtt(struct drm_gem_object *obj, unsigned alignment) if (dev_priv->mm.suspended) return -EBUSY; - if (obj_priv->madv == I915_MADV_DONTNEED) { + if (obj_priv->madv != I915_MADV_WILLNEED) { DRM_ERROR("Attempting to bind a purgeable object\n"); return -EINVAL; } @@ -3928,8 +3932,8 @@ i915_gem_pin_ioctl(struct drm_device *dev, void *data, } obj_priv = obj->driver_private; - if (obj_priv->madv == I915_MADV_DONTNEED) { - DRM_ERROR("Attempting to pin a I915_MADV_DONTNEED buffer\n"); + if (obj_priv->madv != I915_MADV_WILLNEED) { + DRM_ERROR("Attempting to pin a purgeable buffer\n"); drm_gem_object_unreference(obj); mutex_unlock(&dev->struct_mutex); return -EINVAL; @@ -4081,14 +4085,16 @@ i915_gem_madvise_ioctl(struct drm_device *dev, void *data, return -EINVAL; } - obj_priv->madv = args->madv; - args->retained = obj_priv->gtt_space != NULL; + if (obj_priv->madv != __I915_MADV_PURGED) + obj_priv->madv = args->madv; /* if the object is no longer bound, discard its backing storage */ if (i915_gem_object_is_purgeable(obj_priv) && obj_priv->gtt_space == NULL) i915_gem_object_truncate(obj); + args->retained = obj_priv->madv != __I915_MADV_PURGED; + drm_gem_object_unreference(obj); mutex_unlock(&dev->struct_mutex); diff --git a/include/drm/i915_drm.h b/include/drm/i915_drm.h index 607c9da061e8..7e0cb1da92e6 100644 --- a/include/drm/i915_drm.h +++ b/include/drm/i915_drm.h @@ -671,6 +671,7 @@ struct drm_i915_get_pipe_from_crtc_id { #define I915_MADV_WILLNEED 0 #define I915_MADV_DONTNEED 1 +#define __I915_MADV_PURGED 2 /* internal state */ struct drm_i915_gem_madvise { /** Handle of the buffer to change the backing store advice */ -- cgit v1.2.3